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John Wilkins
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Individual
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Individual
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Publication of GB190823525ApublicationCriticalpatent/GB190823525A/en
Lighting Device Outwards From Vehicle And Optical Signal
(AREA)
Abstract
23,525. Wilkins, J. Nov. 3. Drawings to Specification. Oil lamps, attaching to brackets.-Oil lamps are pivotally mounted on semaphore signalling arms to remain vertical when the arms are turned.
GB190823525D1908-11-031908-11-03Improvements in Semaphore Signalling.
ExpiredGB190823525A
(en)